CodeASystem calculators

Everyday calculators

Everyday8

Everyday calculators for fuel costs, gas mileage, electricity bills, bill splitting, pet ages and prorated rent.

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8 tools

Work out the fuel needed and total cost of any trip, then split the cost between passengers.

Measure your car’s real-world MPG from a fill-up, with metric L/100km and cost-per-mile equivalents.

See what any appliance costs to run per day, month and year from its wattage and your electricity rate.

Convert your dog’s age into human-equivalent years using size-aware guidelines, with a life-stage summary.

Convert cat years to human-equivalent years with the standard veterinary guideline and a life-stage label.

Compute fair partial-month rent for a mid-month move-in or move-out, with the daily rate shown.

Compare two package sizes by true price per unit and see instantly which product is the better deal.

Total your driven miles at a per-mile reimbursement rate for expense reports and employer claims.